# 764

## 764 is an even composite number composed of two prime numbers multiplied together.

What does the number 764 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

764 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 764:

### 22 × 191

(2 × 2 × 191)

See below for interesting mathematical facts about the number 764 from the Numbermatics database.

### Names of 764

• Cardinal: 764 can be written as Seven hundred sixty-four.

### Scientific notation

• Scientific notation: 7.64 × 102

### Factors of 764

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 193

### Divisors of 764

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 1344
• Sum of proper divisors (its aliquot sum) s(n): 580
• 764 is a deficient number, because the sum of its proper divisors (580) is less than itself. Its deficiency is 184

### Bases of 764

• Binary: 10111111002
• Base-36: L8

### Squares and roots of 764

• 764 squared (7642) is 583696
• 764 cubed (7643) is 445943744
• The square root of 764 is 27.6405499221
• The cube root of 764 is 9.1417874493

### Scales and comparisons

How big is 764?
• 764 seconds is equal to 12 minutes, 44 seconds.
• To count from 1 to 764 would take you about six minutes.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 764 cubic inches would be around 0.8 feet tall.

### Recreational maths with 764

• 764 backwards is 467
• The number of decimal digits it has is: 3
• The sum of 764's digits is 17
• More coming soon!